From ce5edf6f5cbe90ab5253ec1ead6c3a37a7ccc5e4 Mon Sep 17 00:00:00 2001
From: LY <51789698+Young-Lord@users.noreply.github.com>
Date: Wed, 20 May 2026 09:14:24 +0800
Subject: [PATCH] fix(virtdisplay): wait() Xvfb child process to prevent zombie
 process

---
 pythonlib/camoufox/virtdisplay.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pythonlib/camoufox/virtdisplay.py b/pythonlib/camoufox/virtdisplay.py
index 6a45b83..85da150 100644
--- a/pythonlib/camoufox/virtdisplay.py
+++ b/pythonlib/camoufox/virtdisplay.py
@@ -116,6 +116,13 @@ class VirtualDisplay:
             if self.debug:
                 print("Terminating virtual display:", self._display)
             self.proc.terminate()
+            try:
+                self.proc.wait(timeout=5)
+            except subprocess.TimeoutExpired:
+                if self.debug:
+                    print("Xvfb did not exit in time, killing forcefully")
+                self.proc.kill()
+                self.proc.wait()
 
     @staticmethod
     def _assert_linux() -> None: